Ice-assisted synthesis is a facile,effective,and eco-friendly approach for preparing environmental functional materials.The quasi-liquid layer(QLL)or ice grain boundary(IGB)of the ice provides ideal interface-confined...Ice-assisted synthesis is a facile,effective,and eco-friendly approach for preparing environmental functional materials.The quasi-liquid layer(QLL)or ice grain boundary(IGB)of the ice provides ideal interface-confined environments for preparing two-dimensional(2D)sheet-like,three-dimensional(3D)hierarchical porous,polymeric hybrid,and atomically dispersed materials via the in-situ interfacial chemical reactions.Ice-templating physical pretreatment allows directional assembly of preformed materials,sheet exfoliation from bulk materials,transfer or cleaning of 2D materials,uniform dispersion of precursors,and self-assembly of nanoparticles.Additionally,the ice-melting process offers a novel way to prepare nanomaterials of uniform size due to the ultraslow release of reactants from the ice crystals.Furthermore,environmental applications of ice-assisted synthetic materials have been concluded.Advanced membrane materials synthesized based on ice chemistry exhibit superior water permeance,ion selectivity,and disinfection.Also,ice-assisted synthesis has innate advantages for designing environmental functional catalysts or adsorbents dedicated to environmental remediation.Finally,the challenges of the current progress in this field are discussed.展开更多
基金supported by National Natural Science Foundation of China(Nos.52170030,52200049)China Postdoctoral Science Foundation(No.2022TQ0089)+2 种基金State Key Laboratory of Urban-rural Water Resource and Environment(Harbin Institute of Technology)(No.2024TS28)Young Scientist Studio of Harbin Institute of TechnologyFundamental Research Funds for the Central Universities。
文摘Ice-assisted synthesis is a facile,effective,and eco-friendly approach for preparing environmental functional materials.The quasi-liquid layer(QLL)or ice grain boundary(IGB)of the ice provides ideal interface-confined environments for preparing two-dimensional(2D)sheet-like,three-dimensional(3D)hierarchical porous,polymeric hybrid,and atomically dispersed materials via the in-situ interfacial chemical reactions.Ice-templating physical pretreatment allows directional assembly of preformed materials,sheet exfoliation from bulk materials,transfer or cleaning of 2D materials,uniform dispersion of precursors,and self-assembly of nanoparticles.Additionally,the ice-melting process offers a novel way to prepare nanomaterials of uniform size due to the ultraslow release of reactants from the ice crystals.Furthermore,environmental applications of ice-assisted synthetic materials have been concluded.Advanced membrane materials synthesized based on ice chemistry exhibit superior water permeance,ion selectivity,and disinfection.Also,ice-assisted synthesis has innate advantages for designing environmental functional catalysts or adsorbents dedicated to environmental remediation.Finally,the challenges of the current progress in this field are discussed.
